CVE-2026-90791: GPAC MP4Box base_scenegraph.c gf_node_unregister use after free

Severity: medium (CVSS 6.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-09-15
Weakness: CWE-119

Description

A vulnerability was detected in GPAC up to f1219cde. This vulnerability affects the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to resolve this issue. The patch is identified as 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.

Affected products

GPAC: f1219cde

References

https://github.com/Ech06/CVE_submit/blob/main/gpac_3801.md
https://github.com/gpac/gpac/
https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24
https://github.com/gpac/gpac/issues/3801
https://github.com/gpac/gpac/releases/tag/abi-16.23
https://vuldb.com/cve/CVE-2026-90791
https://vuldb.com/submit/914122
https://vuldb.com/vuln/403297
https://vuldb.com/vuln/403297/cti
https://github.com/gpac/gpac/issues/3801
https://vuldb.com/submit/914122

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